[dpdk-dev] [PATCH v3 06/11] crypto/octeontx2: add session related functions
Anoob Joseph
anoobj at marvell.com
Wed Oct 16 17:25:39 CEST 2019
From: Ankur Dwivedi <adwivedi at marvell.com>
This patch adds the symmetric session related callbacks.
Signed-off-by: Ankur Dwivedi <adwivedi at marvell.com>
Signed-off-by: Anoob Joseph <anoobj at marvell.com>
Signed-off-by: Tejasree Kondoj <ktejasree at marvell.com>
---
drivers/common/cpt/cpt_mcode_defines.h | 2 +
drivers/crypto/octeontx2/otx2_cryptodev_ops.c | 117 +++++++++++++++++++++++++-
drivers/crypto/octeontx2/otx2_cryptodev_ops.h | 5 ++
3 files changed, 121 insertions(+), 3 deletions(-)
diff --git a/drivers/common/cpt/cpt_mcode_defines.h b/drivers/common/cpt/cpt_mcode_defines.h
index 91d30a5..f356e62 100644
--- a/drivers/common/cpt/cpt_mcode_defines.h
+++ b/drivers/common/cpt/cpt_mcode_defines.h
@@ -226,6 +226,8 @@ struct cpt_sess_misc {
uint16_t is_null:1;
/** Flag for GMAC */
uint16_t is_gmac:1;
+ /** Engine group */
+ uint16_t egrp:3;
/** AAD length */
uint16_t aad_length;
/** MAC len in bytes */
diff --git a/drivers/crypto/octeontx2/otx2_cryptodev_ops.c b/drivers/crypto/octeontx2/otx2_cryptodev_ops.c
index f2146ba..b06d8f3 100644
--- a/drivers/crypto/octeontx2/otx2_cryptodev_ops.c
+++ b/drivers/crypto/octeontx2/otx2_cryptodev_ops.c
@@ -17,6 +17,7 @@
#include "cpt_hw_types.h"
#include "cpt_pmd_logs.h"
#include "cpt_pmd_ops_helper.h"
+#include "cpt_ucode.h"
#define METABUF_POOL_CACHE_SIZE 512
@@ -244,6 +245,90 @@ otx2_cpt_qp_destroy(const struct rte_cryptodev *dev, struct otx2_cpt_qp *qp)
return 0;
}
+static int
+sym_session_configure(int driver_id, struct rte_crypto_sym_xform *xform,
+ struct rte_cryptodev_sym_session *sess,
+ struct rte_mempool *pool)
+{
+ struct cpt_sess_misc *misc;
+ void *priv;
+ int ret;
+
+ if (unlikely(cpt_is_algo_supported(xform))) {
+ CPT_LOG_ERR("Crypto xform not supported");
+ return -ENOTSUP;
+ }
+
+ if (unlikely(rte_mempool_get(pool, &priv))) {
+ CPT_LOG_ERR("Could not allocate session private data");
+ return -ENOMEM;
+ }
+
+ misc = priv;
+
+ for ( ; xform != NULL; xform = xform->next) {
+ switch (xform->type) {
+ case RTE_CRYPTO_SYM_XFORM_AEAD:
+ ret = fill_sess_aead(xform, misc);
+ break;
+ case RTE_CRYPTO_SYM_XFORM_CIPHER:
+ ret = fill_sess_cipher(xform, misc);
+ break;
+ case RTE_CRYPTO_SYM_XFORM_AUTH:
+ if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC)
+ ret = fill_sess_gmac(xform, misc);
+ else
+ ret = fill_sess_auth(xform, misc);
+ break;
+ default:
+ ret = -1;
+ }
+
+ if (ret)
+ goto priv_put;
+ }
+
+ set_sym_session_private_data(sess, driver_id, misc);
+
+ misc->ctx_dma_addr = rte_mempool_virt2iova(misc) +
+ sizeof(struct cpt_sess_misc);
+
+ /*
+ * IE engines support IPsec operations
+ * SE engines support IPsec operations and Air-Crypto operations
+ */
+ if (misc->zsk_flag)
+ misc->egrp = OTX2_CPT_EGRP_SE;
+ else
+ misc->egrp = OTX2_CPT_EGRP_SE_IE;
+
+ return 0;
+
+priv_put:
+ rte_mempool_put(pool, priv);
+
+ CPT_LOG_ERR("Crypto xform not supported");
+ return -ENOTSUP;
+}
+
+static void
+sym_session_clear(int driver_id, struct rte_cryptodev_sym_session *sess)
+{
+ void *priv = get_sym_session_private_data(sess, driver_id);
+ struct rte_mempool *pool;
+
+ if (priv == NULL)
+ return;
+
+ memset(priv, 0, cpt_get_session_size());
+
+ pool = rte_mempool_from_obj(priv);
+
+ set_sym_session_private_data(sess, driver_id, NULL);
+
+ rte_mempool_put(pool, priv);
+}
+
/* PMD ops */
static int
@@ -426,6 +511,32 @@ otx2_cpt_queue_pair_release(struct rte_cryptodev *dev, uint16_t qp_id)
return 0;
}
+static unsigned int
+otx2_cpt_sym_session_get_size(struct rte_cryptodev *dev __rte_unused)
+{
+ return cpt_get_session_size();
+}
+
+static int
+otx2_cpt_sym_session_configure(struct rte_cryptodev *dev,
+ struct rte_crypto_sym_xform *xform,
+ struct rte_cryptodev_sym_session *sess,
+ struct rte_mempool *pool)
+{
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ return sym_session_configure(dev->driver_id, xform, sess, pool);
+}
+
+static void
+otx2_cpt_sym_session_clear(struct rte_cryptodev *dev,
+ struct rte_cryptodev_sym_session *sess)
+{
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ return sym_session_clear(dev->driver_id, sess);
+}
+
struct rte_cryptodev_ops otx2_cpt_ops = {
/* Device control ops */
.dev_configure = otx2_cpt_dev_config,
@@ -441,7 +552,7 @@ struct rte_cryptodev_ops otx2_cpt_ops = {
.queue_pair_count = NULL,
/* Symmetric crypto ops */
- .sym_session_get_size = NULL,
- .sym_session_configure = NULL,
- .sym_session_clear = NULL,
+ .sym_session_get_size = otx2_cpt_sym_session_get_size,
+ .sym_session_configure = otx2_cpt_sym_session_configure,
+ .sym_session_clear = otx2_cpt_sym_session_clear,
};
diff --git a/drivers/crypto/octeontx2/otx2_cryptodev_ops.h b/drivers/crypto/octeontx2/otx2_cryptodev_ops.h
index 9bd24e7..ba93a66 100644
--- a/drivers/crypto/octeontx2/otx2_cryptodev_ops.h
+++ b/drivers/crypto/octeontx2/otx2_cryptodev_ops.h
@@ -10,6 +10,11 @@
#define OTX2_CPT_MIN_HEADROOM_REQ 24
#define OTX2_CPT_MIN_TAILROOM_REQ 8
+enum otx2_cpt_egrp {
+ OTX2_CPT_EGRP_SE = 0,
+ OTX2_CPT_EGRP_SE_IE = 1,
+};
+
struct rte_cryptodev_ops otx2_cpt_ops;
#endif /* _OTX2_CRYPTODEV_OPS_H_ */
--
2.7.4
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